Support bracket



FIG. 1 is a top, right side, rear perspective view of a support bracket showing our new design;

FIG. 2 is a top, left side, front perspective view thereof;

FIG. 3 is a right side front perspective view thereof;

FIG. 4 is a bottom, left side, front perspective view thereof;

FIG. 5 is a left side elevational view thereof and with the right side elevational view being a mirror image thereof; and,

FIG. 6 is a bottom plan view thereof. 

The ornamental design for a support bracket, as shown and described. 